基于递推闭环子空间辨识的自适应预测控制方法

苏奇全; 贾宏光; 朱明超; 刘慧; 宣明

doi:10.13976/j.cnki.xk.2015.0252

基于递推闭环子空间辨识的自适应预测控制方法

苏奇全^1,2, ,,
贾宏光¹,
朱明超¹,
刘慧¹,
宣明¹

1.
中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
2.
中国科学院大学, 北京 100049

基金项目: 中国科学院知识创新工程国防科技创新重要项目（YYYJ-1122）

详细信息

作者简介:
苏奇全（1988-），男，硕士生.研究领域为自适应控制.
贾宏光（1971-），男，研究员，博士生导师.研究领域为复合制导及目标识别技术.

通讯作者:
苏奇全，suqq12345@163.com

中图分类号: TP273
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出版历程
- 收稿日期: 2014-03-25
- 修回日期: 2014-08-24
- 发布日期: 2015-04-19

An Adaptive Predictive Control Method Based on Recursive Closed-loop Subspace Identification

1.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

摘要

摘要: 针对存在噪声干扰与时变特性的线性系统的模型不确定性问题，提出了一种基于递推闭环子空间辨识的自适应预测控制方法. 通过结合PID（proportional-integral-derivative）控制采用新的目标函数，对闭环子空间预测控制算法进行改进，推导出具有类似PID结构的闭环子空间预测控制算法；采用固定输入输出数据集大小的递推方法将改进后的算法在线实施，通过采用一种简单直观的更新方法代替LQ分解，有效提高了在线计算效率. 最后，通过仿真实验验证了方法的有效性.
- 闭环子空间辨识 /
- 预测控制 /
- 比例—积分—微分 /
- 自适应控制
Abstract: In order to deal with model uncertainty problem for linear systems with time-variability, which exists due to noise perturbances in the model, an adaptive predictive control method is proposed based on recursive closed-loop subspace identification. A closed-loop subspace predictive control algorithm is constructed by making improvements to the closed-loop subspace predictive control algorithm through the incorporation of a PID-type objective function. This proposed algorithm is implemented online using a recursive algorithm, with fixed-size input and output data, and a simple, direct update method, which replaces LQ decompositions, for improving computational efficiency. Simulations prove this closed-loop subspace control algorithm to be efficient, predictive, and adaptive.
- closed-loop subspace identification /
- predictive control /
- proportional-integral-derivative (PID) /
- adaptive control

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参考文献(20)

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基于递推闭环子空间辨识的自适应预测控制方法

作者简介: 苏奇全（1988-），男，硕士生.研究领域为自适应控制.贾宏光（1971-），男，研究员，博士生导师.研究领域为复合制导及目标识别技术.

通讯作者: 苏奇全，suqq12345@163.com

计量

出版历程

An Adaptive Predictive Control Method Based on Recursive Closed-loop Subspace Identification

计量

出版历程

目录

作者简介:
苏奇全（1988-），男，硕士生.研究领域为自适应控制.
贾宏光（1971-），男，研究员，博士生导师.研究领域为复合制导及目标识别技术.

通讯作者:
苏奇全，suqq12345@163.com